Characteristics of Emerging Road and Trail Users and Their Safety, FHWA-HRT-04-103, October 2004.

Development of Pedestrian and Bicyclist Injury Databases; Final report (Injuries to Pedestrians and Bicyclists: An Analysis Based on Hospital Emergency Department Data); FHWA-RD-99-078; http://www.tfhrc.gov/safety/pedbike/research/99078/99-078.htm; keyword: pedestrians and bicycle

Development of the Bicycle Compatibility Index: A Level of Service Concept (Final Report); FHWA-RD-98-072; http://safety.fhwa.dot.gov/tools/docs/bcifinalrpt.pdf; keyword: bicycle compatibility